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Old 09-19-2011, 07:14 AM   #1
thoughto
Scooby Newbie
 
Member#: 29145
Join Date: Nov 2002
Location: Woking, home of Mclaren
Vehicle:
1998 Version 4 STI
White, gold wheels

Unhappy EJ20K Head gasket probably gone

Looks like one of my head gaskets has gone. Would love to hear it is something cheaper, but not expecting it.

Checked the diagnostics on my JDM Version 4 STI yesterday morning, to make sure nothing was malfunctioning. [Was about to fit K&N intake, and wanted to know everything was working beforehand.] No error codes at all.

Symptoms:
Went for short drive, 8-10 miles.
Arrived home, turned off engine, opened bonnet to look at the intake install. Heard a gurgling sound from the coolant header tank. Removed lid of overflow tank, noticed bubbling gas coming through (the first time I've seen this).

Let car cool a bit. Removed lid of header tank, noticed was no longer full. Added water to fill up.
Restarted car. At idle the level of the header tank quickly dropped to the level it was at before refilling, and after a while bubbling resumed in the overflow tank. The car is decatted (in case it matters). I checked the exhaust gas, it became white, and seemed to have water vapour in it (condensation in pipe).

Have I lost a head gasket? Is there any way of fixing this economically, or is it an engine out only job? I checked the thread about using gasket fixer of some sort in the coolant. Does not seem to be a good idea in the long term
I pushed the car back a few feet this morning, and noticed a couple of dark marks under the car on the passenger side. In the JDM (RHD) car, this is the side with the battery and screen wash reservoir. I know everyone says you have to do both at once anyway.

If I have to pay someone to fix the head gaskets, is it worth me trying to remove the engine myself and bring it to a workshop? In other words, is it harder to get the engine out and then put it back after than it is to change the gaskets, or if I can successfully get the engine out is it a straightforward job to change the gaskets?

I have plenty of time but not much money, as I am unemployed. I don't have an engine hoist, but I might be able to get one. No engine stand either.

Sorry for long post, thanks for any help. Tom
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